31979358

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{523}}^1$

素因数の和:653

約数の個数: 48

約数和(自身を含む): 71934720

約数和(自身を除く): 39955362

約数列:

[1, 2, 3, 6, 9, 18, 43, 79, 86, 129, 158, 237, 258, 387, 474, 523, 711, 774, 1046, 1422, 1569, 3138, 3397, 4707, 6794, 9414, 10191, 20382, 22489, 30573, 41317, 44978, 61146, 67467, 82634, 123951, 134934, 202401, 247902, 371853, 404802, 743706, 1776631, 3553262, 5329893, 10659786, 15989679, 31979358]

約数ペア:

[(1, 31979358), (2, 15989679), (3, 10659786), (6, 5329893), (9, 3553262), (18, 1776631), (43, 743706), (79, 404802), (86, 371853), (129, 247902), (158, 202401), (237, 134934), (258, 123951), (387, 82634), (474, 67467), (523, 61146), (711, 44978), (774, 41317), (1046, 30573), (1422, 22489), (1569, 20382), (3138, 10191), (3397, 9414), (4707, 6794)]